Medium severity · published Aug 5, 2026
CVE-2026-48912
Apache Answer: Improper authorization in avatar update cleanup allows authenticated users to delete arbitrary uploaded files by URL
6.5
CVSS
0.5%
EPSS
No
On KEV
Description
Improper Input Validation vulnerability in Apache Answer.
This issue affects Apache Answer: through 2.0.1.
A missing ownership check in the avatar-cleanup logic allows any authenticated user to delete other users' uploaded files by supplying their file URLs.
Users are recommended to upgrade to version 2.0.2, which fixes the issue.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AA
Apache Answer · Apache Software Foundation
through 2.0.1 · source: vendor
AN
Answer · Apache
before 2.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-48912
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-48912
Mailing List
https://lists.apache.org/thread/b9jnttmspd9kp4vgbvb32dcqb4201flq
Mailing List
http://www.openwall.com/lists/oss-security/2026/08/05/11
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